On Wed, 2011-12-14 at 14:11 +0000, Rich Boyce wrote: > On 14/12/11 12:54, Arthur Dent wrote: > >> On 14/12/11 09:18, Arthur Dent wrote: > >>>> Hello all, > >>>> > >>>> Urgent help required! > >>>> > >>>> I have turned on my Fedora 16 machine today. It booted quite normally > >>>> to > >>>> the > >>>> GDM login screen. When I selected one of my 3 users it started to login > >>>> to > >>>> the account as usual, but got no further than loading the background. I > >>>> CTRL-ALT-BKSPC'd back to the login screen and tried each of the other > >>>> accounts. Same problem. I can start a terminal session with CTRL-ALT-F2 > >>>> and login to any user account in that terminal - and it is from there > >>>> that > >>>> I am sending this (using Mutt). I have tried googling using a text > >>>> based > >>>> browser, (but that is quite hard work) and all I have come up with is > >>>> this > >>>> bugzilla https://bugzilla.redhat.com/show_bug.cgi?id=753666 which > >>>> describes my symptoms perfectly (I am also using the nvidia akmod > >>>> driver) > >>>> but there is no resolution for me in that bugzilla. > >>>> > >>>> Unlike that report I have updated nothing since Sunday (11 December) > >>>> and > >>>> it > >>>> worked fine yesterday (12 December). Here is an extract from dmesg: > >>>> > >>>> [ 39.204161] gnome-shell[1458]: segfault at bc955315 ip 42325db4 sp > >>>> bfadd520 > >>>> error 6 in ld-2.14.90.so[42319000+21000] > >>>> > >>>> Below I list a (long) extract form /var/log/messages. There is some > >>>> very > >>>> fishy > >>>> looking stuff in that, but I have no idea how to fix it. Please help me > >>>> to > >>>> get > >>>> back to a working gnome-shell! > >>>> > >>>> Thanks > >>>> > >>>> Mark > >>> > >>> I don't wish to appear desperate - but... > >>> > >>> ...I am desperate! > >>> > >>> Any ideas? > >> > >> It's a bit of a shot in the dark, but you could try removing the > >> proprietary nvidia drivers, and rebooting. It would be something like > >> > >> yum erase \*kmod\*nvidia xorg-x11-drv-nvidia\* > >> > >> That would probably get you back to the nouveau drivers. > >> > >> If that doesn't work, there might be a hint in your /var/log/Xorg.0.log > >> > >> Rich > > > > Well thanks for that. I was actually thinking about removing the nvidia > > driver. > > > > As it happens, I gave up on the machine for the moment and went to work. I > > therefore no longer have physical access to the machine. I can, however > > ssh into it. While I was wondering about removing or re-installing the > > nvidia driver I noticed that there is a new kernel available in yum > > (3.1.5-1.fc16.i686.PAE) so I did a yum update. This will of course cause > > the akmod module to rebuild the driver. > > > > I have rebooted, and the encouraging thing is that dmesg now has no > > reference to a gnome-shell segfault! > > Well that's very encouraging! > > > Unfortunately I will not be home again until Thursday evening so I can't > > actually try to log in to gnome-shell to see if it has worked (are there > > any command line tricks to test if gnome-shell is working?). > > Hmm. You could run 'ps fax' and look for a gnome-shell process, or a gdm > process (I'm not sure what the login manager shows up as). If you see it > there, that shows that it's running. Well I got home today earlier than expected. That's the good news. The bad news is that, when I turned on the machine, another segfault is reported in dmesg and I am still locked out of gnome-shell. Soooo... I uninstalled the nvidia driver and reverted back to the nouveau one. Now I am typing this to you from Evolution using gnome 3. In other words I am back in. To tell you the truth I have not noticed any real difference between the nvidia and the nouveau drivers. I guess I should just stay with nouveau. Is there anything I should be aware of while using nouveau instead of the proprietary nvidia driver? Is it worth persisting with nvidia? Thanks for all the help... Mark
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